.nav-tabs {
  border-bottom: none;
}

.nav-tabs > li.active > a, .nav-tabs > li.active > a:focus, .nav-tabs > li.active > a:hover {
  color: #555;
  cursor: default;
  border: none;
  border-bottom: solid 5px red;
  line-height: normal;
}

.nav > li > a:focus, .nav > li > a {
  text-decoration: none;
  margin: 0;
  line-height: normal;
  border: none;
  border-bottom: solid 5px gray;
}

.nav-tabs > li > a:hover {
  border: none;
  border-bottom: solid 5px gray;
}

.tab-content {
  padding: 10px;
}

.nav-tabs > li > a {
  border-radius: 0;
  margin: 0;
  line-height: normal;
  color: black;
  font-size: 20px;
}

.nav-tabs > li {
  float: left;
  margin-bottom: -1px;
  width: 33.33%;
}